[isp-bgp] "equal" routes

[Bill Pitz <pitz@...>]

I've got a simple network running BGP with two upstreams.  This is on a 
Cisco 3662 running IOS 12.2.

I'm in a position where I want to give incoming advertisements only for a 
certain block of IP addresses (possibly several blocks later) precedence in 
the BGP selection process when they are received from my second upstream.

The situation is this..

Upstream #1 and Upstream #2 are both providing me with advertisements for a 
netblock.  The AS Paths are the same length from both upstreams, so 
upstream #1 is getting chosen because my peer at #1 has a lower IP 
address.  However, Upstream #2 generally has better connectivity to this 
particular netblock so I would like to give it priority.  I don't want to 
add a static route because I still want normal BGP selection to take over 
in the event that my link to Upstream #2 goes down.

What's the easiest way to accomplish this?

Thanks,

-Bill 






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